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{"title":"Thermostat BW-B2D Temperature Controlled Switch BH-TB02B-B8D Auto Reset Thermal","imgUrl":"https:\/\/img.chinax.com\/nimg\/52\/99\/3381d665a07e781aeea74b94b931-200x200-1\/thermostat_bw_b2d_temperature_controlled_switch_bh_tb02b_b8d_auto_reset_thermal_fuse.jpg","attrs":{"Brand Name":"HENGHAO","Model Number":"BH-TB02B-B8D","Certification":"UL","Place of Origin":"CHINA"}}
{"title":"JUC-31F Temperature Protector , KSD-01F Temperature Controlled Switch","imgUrl":"https:\/\/img.chinax.com\/nimg\/55\/04\/cd838daa0c6a7ed1e00396b32524-200x200-1\/juc_31f_temperature_protector_2c_ksd_01f_temperature_controlled_switch.jpg","attrs":{"Brand Name":"HENGHAO","Model Number":"JUC-31F","Certification":"UL TUV CQC","Place of Origin":"CHINA"}}
{"title":"TB02B-BB8D Thermal Cut Off Switch , Temperature Protector TB05B-BB5D","imgUrl":"https:\/\/img.chinax.com\/nimg\/aa\/f6\/72762ab8465bd9bb5c8b8a5e56bf-200x200-1\/tb02b_bb8d_thermal_cut_off_switch_2c_temperature_protector_tb05b_bb5d.jpg","attrs":{"Brand Name":"HENGHAO","Model Number":"TB05B-BB5D","Certification":"UL TUV CQC","Place of Origin":"CHINA"}}
{"title":"S01 S05 ST01 ST05 Temperature Protector , KW Temperature Controlled Switch","imgUrl":"https:\/\/img.chinax.com\/nimg\/da\/dc\/b7fe6acc85e0d83f72f3eaab07ce-200x200-1\/s01_s05_st01_st05_temperature_protector_2c_kw_temperature_controlled_switch.jpg","attrs":{"Brand Name":"HENGHAO","Model Number":"S01","Certification":"UL TUV CQC","Place of Origin":"CHINA"}}
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BW & BH series protectors provide protection against over-current and over-temperature conditions. They feature sealed construction, small internal resistance, no noise operation, and automatic reset functionality. When current flows through the temperature and current-sensitive bimetal, the bimetal's status changes in response to over-temperature or over-current conditions, either cutting off or switching on the circuit. BH series protectors offer enhanced safety compared to standard protectors, as they eliminate temperature effect lag under sudden high-current conditions.
BH Series Thermostat - Specifications
Parameter
Specification
Electrical Rating
DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 16A
Open Temperature
(30~150)±5°C; 5°C increments
Reset Temperature
2/3 of action temperature with ±15°C tolerance. Custom reset temperatures available per customer requirements.
Life Cycles
10,000 cycles
Dimensions
L15mm × W7.1mm × H3.8mm
Lead Wire
#22 3266, end half tripping, 70mm length, or customized per customer requirements
UL File No
E487478
CQC Certificate No
CQC16002142880
TUV Certificate No
B160592241002
BH Series Thermal Protector - Dimensions
Model
Case
Length (mm)
Width (mm)
Height (mm)
Voltage & Current
Lead Wire
H20
Plastic
18.5
8
4
DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 10A
#20 3135, end 5mm half tripping, 70mm length, or customized
H21
Metal
18.5
7.3
3.8
-
-
H21
Metal
20
8
4
AC250V 20A
#16 3135
BH-A1D
Metal
15
6.6
3.2
DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V
#20 3135, #22 3266, #22 3135, end 5mm half tripping, 70mm length, or customized
BH-B2D
Plastic
15
7.1
3.8
-
-
BH-TB02B-B8D
Plastic
15
5.2
2.4
DC-12V max 4A; DC-24V max 3A; AC-125V max 3A; AC-250V max 2A
3266-AWG24#, 3135-AWG24# or nickel strip, 70mm length or customized
BH Series Thermostat - Applications and Instructions
Electric appliances and other electrical equipment
These protectors prevent damage from over-current and over-heating caused by abnormal operating conditions. Enforced types capable of withstanding 3.5MPa pressure are suitable for built-in installation in plastic coated motors.
Code
Temperature
Code
Temperature
30
30℃
100
100℃
35
35℃
105
105℃
40
40℃
110
110℃
45
45℃
115
115℃
50
50℃
120
120℃
55
55℃
125
125℃
60
60℃
130
130℃
70
70℃
135
135℃
75
75℃
140
140℃
80
80℃
145
145℃
85
85℃
150
150℃
90
90℃
H20, H21 Series Thermostat - Principle and Structure
H20 and H21 series universal and enhanced protectors feature large metal casings and are composed of thermal conductive metal casing, bimetallic parts welded with silver alloy contact points, conductive brackets, insulation fixation stands, fixed contact strips, and heat resistance cables. During abnormal operation, when environmental temperature increases to the set value, the bimetallic parts perform quick action, open the contact points, and disconnect the circuit. When the device cools to safe operating temperature, the contact points automatically close and normal operation resumes.
H20, H21 Series Thermal Protector - Specifications
Parameter
Specification
Electrical Rating
DC-12V max 12A; DC-24V max 10A; AC-125V max 8A; AC-250V max 16A
Open Temperature
(30~150)±5°C; 5°C increments
Reset Temperature
2/3 of action temperature with ±15°C tolerance. Custom reset temperatures available per customer requirements.
Life Cycles
10,000 cycles
Contact Closure Resistance
≤50mΩ
Insulation Resistance
≥100mΩ
Electric Strength
AC1500V/1min free from phenomena of breakdown and flashover
UL File No
E487478
CQC Certificate No
CQC16002142880
TUV Certificate No
B160592241002
H20, H21 Series Thermal Protector - Applications
H20 and H21 series are applicable to rechargeable batteries, ballasts, massagers, micro motors, transformers, electric tools, heating electric appliances, and instruments.
Certification: This product has UL, CQC, TUV and RoHS certification approval.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Importer,Exporter
Year Established:
2011
Total Annual:
1000000-5000000
Employee Number:
100~120
Ecer Certification:
Verified Supplier
Dong Heng Hao Electric Co., Ltd is located in Dongguan City, Guangdong Province with very convenient transportation and favorable Geographic location.
We are specialized in developing and producing temperature controllers, thermostat, thermal protectors , temperature switch, temperature... Dong Heng Hao Electric Co., Ltd is located in Dongguan City, Guangdong Province with very convenient transportation and favorable Geographic location.
We are specialized in developing and producing temperature controllers, thermostat, thermal protectors , temperature switch, temperature...